TRW Microwave RF PIN diodes. Medium speed, general purpose RF control diodes. If you are an RF Guru, you will know what these PIN diodes are used for. Originally manufactured by Aertech(A5S303) which was later acquired by TRW. 100v Ct .30pf. Resistance 1.5 ohms. Trr 150ns. Axial leads. Similar to 1N5719.